Where do you go to learn how to make ice cream?

What has many keys but can’t open a single lock?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Find the next number in the sequence

5 12 24 36 ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I have teeth but i don't bite. Who Am I ?